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[[ISO Standard]] | [[Language design principles]] | [[Standardisation process]]
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[[ISO Standard]] | [[Standardisation process]] | [[Language design principles]]  
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==Motivation==
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Prolog implementations have progressed since the original ISO standard was written and as a result new predicates are commonly available but may be absent from the standard, have different names, or have different semantics.  A revision to the standard aims to address these limitations.
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==How to get involved==
==How to get involved==
* participate in discussions on the forums at [http://prolog.logtalk.org prolog.logtalk.org]
* participate in discussions on the forums at [http://prolog.logtalk.org prolog.logtalk.org]
* contribute to this wiki
* contribute to this wiki
* vote at [http://www.dcc.fc.up.pt/iclp07 ICLP 2007] in September.
* vote at [http://www.dcc.fc.up.pt/iclp07 ICLP 2007] in September.
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* join the ISO commitee - see [http://www.sju.edu/~jhodgson/wg17/wg17web.html]
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* join the ISO committee - see [http://www.sju.edu/~jhodgson/wg17/wg17web.html]
==Plan==
==Plan==
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* Problems with existing specifications
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Based on [http://www.sju.edu/~jhodgson/wg17/Seattle2006minutes.txt Seattle 2006 meeting minutes] (Timeframe: September 30 2006?)
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* Proposed new built-in predicates
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* A 2: built-in predicates omitted from part 1 of the standard
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** predicate_property/2  Discussion: [[Predicate property]]
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** compare/3
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** callable/1
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** forall/2
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** number_vars/3
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** retractall/1
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** sort/2
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** keysort/2
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** ground/1
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** member/2
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** append/3
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** length/2
** floating-point arithmetic flags
** floating-point arithmetic flags
** common term testing predicates
** common term testing predicates
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*** Discussion [[Subsumption checking]]
** common meta-predicates
** common meta-predicates
** common evaluable functors
** common evaluable functors
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* A 3. Mutable objects
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* A 4. DCGs
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* A 7. Multi-threading
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* A 8. <del>Read only flag unification: Discussion [[sto_unification/1]]</del>
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* A 9. Unicode
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* Other
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** Discussion: [[call_cleanup/2]]
==Compliance==
==Compliance==
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[[Compliance]]
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Analysis of [[Compliance]] based on validation suites.
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==Summary of discussions==
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==Other==
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* [[Subsumption checking]]
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* [[Predicate property]]
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* [[sto_unification/1]]
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* [[call_cleanup/2]]
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* Mailing list archive [http://neve.di.ubi.pt/mailman/listinfo/prolog-standard]
* Mailing list archive [http://neve.di.ubi.pt/mailman/listinfo/prolog-standard]

Current revision as of 17:24, 22 May 2007

ISO Standard | Standardisation process | Language design principles

Contents

[edit] Motivation

Prolog implementations have progressed since the original ISO standard was written and as a result new predicates are commonly available but may be absent from the standard, have different names, or have different semantics. A revision to the standard aims to address these limitations.

[edit] How to get involved

  • participate in discussions on the forums at prolog.logtalk.org
  • contribute to this wiki
  • vote at ICLP 2007 in September.
  • join the ISO committee - see [1]

[edit] Plan

Based on Seattle 2006 meeting minutes (Timeframe: September 30 2006?)

  • A 2: built-in predicates omitted from part 1 of the standard
    • predicate_property/2 Discussion: Predicate property
    • compare/3
    • callable/1
    • forall/2
    • number_vars/3
    • retractall/1
    • sort/2
    • keysort/2
    • ground/1
    • member/2
    • append/3
    • length/2
    • floating-point arithmetic flags
    • common term testing predicates
    • common meta-predicates
    • common evaluable functors
  • A 3. Mutable objects
  • A 4. DCGs
  • A 7. Multi-threading
  • A 8. Read only flag unification: Discussion sto_unification/1
  • A 9. Unicode
  • Other

[edit] Compliance

Analysis of Compliance based on validation suites.

[edit] Other

  • Mailing list archive [2]
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